SO2 and CO Concentration in Air Samples

This article discusses the use of spectrophotometry to determine the concentration of sulfur dioxide (SO2) and carbon monoxide (CO) in air samples.

The article first calculates the absorptivity of SO2, and then uses this value to calculate the concentration of SO2 in the sample. The article then calculates the partial pressure of CO in the sample, and then uses this value to calculate the percentage of CO in the sample. The results for five samples are presented, and the mean and standard deviation for the five samples are calculated. A 95% confidence interval for the percentage of CO in the samples is also calculated.

The following questions are answered in the article:

• What is the absorptivity of SO2?
• How is the concentration of SO2 in a sample calculated?
• How is the partial pressure of CO in a sample calculated?
• What is the percentage of CO in a sample?
• What is the 95% confidence interval for the percentage of CO in a sample?

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